Their description is very contradictory, but whatever.

'Free Pair For All

Entries Accepted:
10.1.22 – 10.7.22
10:00 AM ET – 3:00 PM ET Daily

For the next 7 days, we’ll be giving away a free pair of shoes to Crocs Club members (opt-in to emails to join!) If you don’t win on day 1, re-enter on day 2 (and on) for better and better chances.'

OFFER DETAILS: https://www.crocs.com/croctober.html